<template>
    <div style="padding: 10px">
        <!--      功能区-->
        <div style="margin: 10px 0">
            <el-button type="primary" @click="add()" >新增</el-button>
            <el-button type="primary">导入</el-button>
            <el-button type="primary">导出</el-button>
        </div>
        <!--      搜索区-->
        <div style="margin: 10px 0">
            <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable/>
            <el-button type="primary" style="margin-left: 5px;" @click="load">查询</el-button>
        </div>
        <!--      表格主体-->
        <el-table :data="tableData" border stripe style="width: 100%;">
            <el-table-column prop="id" label="ID" sortable/>//sortable 排序功能
            <el-table-column prop="title" label="标题"/>
            <el-table-column prop="author" label="作者"/>
            <el-table-column prop="time" label="时间"/>
            <el-table-column fixed="right" label="操作" v-if="user.role ===1">
                <template #default="scope">
                    <el-button   @click="details(scope.row)">详情</el-button>
                    <el-button   @click="handleEdit(scope.row)">编辑</el-button>
                    <el-popconfirm title="确认删除吗？" @confirm="handleDelete(scope.row.id)">
                        <template #reference>
                            <el-button  type="danger" >删除</el-button>
                        </template>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <div style="margin: 10px">
            <!--          分页功能-->
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :currentPage="currentPage"
                    :page-sizes="[5, 10, 20]"
                    :page-size="pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total"
            />
            <!--        操作二次确认(弹窗)-->
            <el-dialog v-model="dialogVisible" title="提示" width="60%">
                <el-form ref="form" :model="form" label-width="120px" >
                    <el-form-item label="标题">
                        <el-input v-model="form.title" style="width: 50%"/>
                    </el-form-item>
                    <el-form-item  label="内容">
                        <div id="div1"></div>
                    </el-form-item>
                </el-form>
                <template #footer>
                    <span class="dialog-footer">
                        <el-button @click="dialogVisible = false">取消</el-button>
                        <el-button type="primary" @click="save">确认</el-button>
                    </span>
                </template>
            </el-dialog>;
<!--            blog详情弹窗-->
            <el-dialog v-model="Vis" title="详情" width="60%">
                <el-card>
                    <div v-html="detail.content" style="min-height: 100px"></div>
                </el-card>
            </el-dialog>
        </div>
    </div>
</template>

<script>
    import request from "../utils/request";         //引入
    import E from "wangeditor"
    let editor;


    export default {
        name: 'Blog',
        components:{},
        data() {
            return {
                user:{},
                form:{},
                dialogVisible:false,    //弹窗控制变量
                search: '',             //用于模糊搜索的变量
                currentPage:1,         //记录当前页
                pageSize:10,
                total:0,
                tableData: [],
                Vis:false,
                detail:{}
            }
        },
        created() {
            let userStr = sessionStorage.getItem("user") || "{}"
            this.user = JSON.parse(userStr)
            request.get("/user/" + this.user.id).then(res => {
                if (res.code === '0') {
                    this.user = res.data
                }
            })
            this.load()
        },
        methods:{
            details(row){       //详情方法
                this.detail = row
                this.Vis = true
            },
            //实现数据渲染
            filesUploadSuccess(res){
                console.log(res)
                this.form.content = res.data
            },

            load(){
                request.get("/blog",{
                    params:{
                        pageNum:this.currentPage,
                        pageSize:this.pageSize,
                        search:this.search,
                    }
                }).then(res => {
                    console.log(res)
                    this.tableData = res.data.records
                    this.total = res.data.total
                })
            },
            //实现新增方法
            add() {
                this.dialogVisible = true   //控制变量，以控制表单是否显示
                this.form = {}              //清空表单
                this.$nextTick(() => {  //解决异步加载，未来元素
                    if (!editor) {
                        editor = new E('#div1')

                        // 配置 server 接口地址
                        editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'
                        editor.config.uploadFileName = "file"  // 设置上传参数名称
                        editor.create()
                    }

                    editor.txt.html("")
                    // if (editor == null){
                    //     editor = new E('#div1')   //关联弹窗里的div，new一个editor对象
                    //     editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'     //本地图片上传
                    //     editor.config.uploadFileName = "file" //设置文件上传名称
                    //     editor.create()
                    // }else {
                    //     editor.destroy();
                    //     editor = new E('#div1')   //关联弹窗里的div，new一个editor对象
                    //     editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'     //本地图片上传
                    //     editor.config.uploadFileName = "file"
                    //     editor.create()
                    // }
                })
            },
            save(){
                this.form.content = editor.txt.html()       //获取编辑器中的值，再赋值给form

                if (this.form.id){//更新
                    request.put("/blog",this.form).then(res => { //请求，并传参数。 then是Es6语法用于获取后台返回结果。
                        console.log(res)            //浏览器打印res
                        if (res.code === '0'){       //判断是否成功
                            this.$message({//输出提示，用element提供的方法$message
                                type: "success",
                                message: "更新成功啦"
                            })
                        } else {
                            this.$message({
                                type: "error",
                                message: res.msg
                            })
                        }
                        this.load() //更新表格数据   通过重新获取数据的方式
                        this.dialogVisible = false  //关闭弹窗
                    })
                }
                else {//新增
                    let userStr = sessionStorage.getItem("user") || "{}"        //通过sessionStorage获取用户昵称，并赋值与form
                    let user = JSON.parse(userStr)
                    this.form.author = user.nickName
                    request.post("/blog",this.form).then(res => {
                        console.log(res)
                        if (res.code === '0'){
                            this.$message({
                                type: "success",
                                message: "新增成功啦"
                            })
                        } else {
                            this.$message({
                                type: "error",
                                message: res.msg
                            })
                        }
                        this.load() //更新表格数据
                        this.dialogVisible = false  //关闭弹窗
                    })
                }
            },
            handleEdit(row) {   //编辑方法
                this.form = JSON.parse(JSON.stringify(row))
                this.dialogVisible = true
                this.$nextTick(() => {  //解决异步加载，未来元素
                    if (!editor) {
                        editor = new E('#div1')

                        // 配置 server 接口地址
                        editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'
                        editor.config.uploadFileName = "file"  // 设置上传参数名称
                        editor.create()
                    }

                    editor.txt.html(row.content)
                    // if (editor == null){
                    //     editor = new E('#div1')   //关联弹窗里的div，new一个editor对象
                    //     editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'     //本地图片上传
                    //     editor.config.uploadFileName = "file"
                    //     editor.create()
                    //     editor.txt.html(row.content)
                    // }else {
                    //     editor.destroy();
                    //     editor = new E('#div1')   //关联弹窗里的div，new一个editor对象
                    //     editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'     //本地图片上传
                    //     editor.config.uploadFileName = "file"
                    //     editor.create()
                    //     editor.txt.html(row.content)
                    // }
                })
            },
            handleDelete(id){
                console.log(id)
                request.delete("/blog/" + id).then(res => {
                    if (res.code === '0'){
                        this.$message({
                            type: "success",
                            message: "删除成功啦"
                        })
                    } else {
                        this.$message({
                            type: "error",
                            message: res.msg
                        })
                    }
                    this.load()
                })
            },
            handleSizeChange(pageSize) {//改变当前每页的个数触发
                this.pageSize = pageSize
                this.load()
            },
            handleCurrentChange(pageNum) {//改变当前页码出发
                this.currentPage = pageNum
                this.load()
            }
        }
    }
</script>
